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Finding the Fourth Proportional to 532,107.40, 746,816.60 and 532,107.40

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Solution

The fourth proportional to 532,107.40, 746,816.60 and 532,107.40 is: 746,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,107.40 : 746,816.60 = 532,107.40 : x
  2. Step 2: Convert to fraction form
    532,107.40/746,816.60 = 532,107.40/x
  3. Step 3: Cross multiply
    532,107.40x = 746,816.60 × 532,107.40
  4. Step 4: Simplify right side
    532,107.40x = 397,386,639,302.84
  5. Step 5: Solve for x
    x = 397,386,639,302.84/532,107.40
  6. Step 6: Final answer
    x = 746,816.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.